def test_pre_save(self, filename, is_existing_file, mock_validate_size,
mock_validate_type):
"""
Ensure that image validation and resizing take place only when a new
file is being stored.
"""
# pylint: disable=too-many-function-args
field_value = ResizingImageFieldFile(self.model_instance, self.field,
filename)
self.model_instance.resized_image = field_value
self.field.attname = 'resized_image'
self.field.name = 'resized_image'
with mock.patch(PATCH_MODULE +
'.ResizingImageFieldFile.create_resized_copies'
) as mock_resize:
# actual file data is needed for this test to work
with make_uploaded_file('image/jpeg', (1000, 1000)) as image_file:
if filename:
field_value.file = image_file
field_value._committed = is_existing_file # pylint: disable=protected-access
self.field.pre_save(self.model_instance, False)
expected_called = bool(filename) and not is_existing_file
for actual_called in (mock_validate_size.called,
mock_validate_type.called, mock_resize.called):
self.assertEqual(actual_called, expected_called)
def test_pre_save(self, filename, is_existing_file, mock_validate_size, mock_validate_type):
"""
Ensure that image validation and resizing take place only when a new
file is being stored.
"""
# pylint: disable=too-many-function-args
field_value = ResizingImageFieldFile(self.model_instance, self.field, filename)
self.model_instance.resized_image = field_value
self.field.attname = 'resized_image'
self.field.name = 'resized_image'
with mock.patch(PATCH_MODULE + '.ResizingImageFieldFile.create_resized_copies') as mock_resize:
# actual file data is needed for this test to work
with make_uploaded_file('image/jpeg', (1000, 1000)) as image_file:
if filename:
field_value.file = image_file
field_value._committed = is_existing_file # pylint: disable=protected-access
self.field.pre_save(self.model_instance, False)
expected_called = bool(filename) and not is_existing_file
for actual_called in (mock_validate_size.called, mock_validate_type.called, mock_resize.called):
self.assertEqual(actual_called, expected_called)
